Agriculture in the Willamette Valley, Oregon, has undergone continual change since the annual migrations of American pioneer farmers began to arrive in the early 1840's. The comparisons of data from each of the agricultural censuses of Oregon counties taken since 1850 confirms that change has been continual. The data revealed...
An investigation of the 28-year climatic record of the Pacific Northwest in Oregon and Washington reveals the natural seasons, subseasons, and singularities evident in
the record. So much emphasis is placed on the topography and temperature of each station site that the term topothermal is introduced and defended. Statistical analyses...
Conflict and competition between outdoor recreational activities is increasing in intensity. Thus, management agencies and persons responsible for regulation of outdoor recreation areas have become increasingly concerned and are seeking appropriate means for amelioration of the intensifying problem.
This research was designed to seek better understanding of conflicts and incompatabilities...
A long standing problem has been the question of what maps to select for acquisition in a college map library. This thesis addresses
the problem and provides a carto-bibliography of basic maps for a map library. Following a brief review of pertinent literature, criteria for evaluation and selection of maps...
Detailed phytosociological and physical data were gathered from six grass-fern balds in the Oregon Coast Range, Monmouth Peak, Grass Mountain, Prairie Peak, Roman Nose Mountain, Tyee Mountain, and Saddle Mountain. Panchromatic and color infrared air photography guided sampling within individual balds. The resultant floristic data was manipulated by a Braun-Blanquet...
Nehalem Bay is located on the northern coast of Oregon in Tillamook County and contains approximately 243 ha of salt marsh. The Nehalem marshes occur as islands and land-tied units. West Island is the largest marsh island with an area of 82.9 ha and a maximum elevation of 3.079 m...
This study traces the evolution of federal legislation to control water pollution in the period between 1935 and 1965. In this legislative history, the function of interest groups, the actions of congressmen and congressional committees, and the role of the President and the Executive Branch are reviewed. The water pollution...
The navigability of the Columbia river permits Portland, located more than 100 miles inland from the Pacific Ocean, to function as the major port of the state of Oregon. It could be expected that the waterfront spanning the greatest share of the distance between Portland and the ocean should reflect...
This dissertation is concerned with the diminution of Oregon's Umatilla Indian Reservation over a 120 year period (1855-1975). Its objective is to show that the transfer of land from Indian to non-Indian ownership was most attributable to four casual factors:
(1) historical happenstance, including the passage of the Oregon Trail...
A million acre tract of land within the "Big Bend" of the
Columbia River in south-central Washington became the locale for an
important public area planning experiment and geotechnic enterprise
in the late 1930's and early 1940's. The Columbia Basin Project
(CBP) of the Bureau of Reclamation was conceived to...
